Writing instrument



FIG. 1 is a front elevational view of a writing instrument showing my new design;

FIG. 2 is a right side elevational view, with the ball-point tip extended, the left side being a mirror image thereof;

FIG. 3 is a rear elevational view of FIG. 2;

FIG. 4 is a top plan view of FIG. 1;

FIG. 5 is a bottom plan view of FIG. 1;

FIG. 6 is a front elevational view of FIG. 2;

FIG. 7 is a front elevational view of a second embodiment thereof, the other views being comparable to the views in FIGS. 2-6;

FIG. 8 is a front elevational view of a third embodiment showing my new design;

FIG. 9 is a right side elevational view of FIG. 8, the left side being a mirror image thereof;

FIG. 10 is a rear elevational view of FIG. 8;

FIG. 11 is a top plan view of FIG. 8;

FIG. 12 is a bottom plan view of FIG. 8;

FIG. 13 is a front elevational view of FIG. 8 in an exploded condition; and,

FIG. 14 is a front elevational view of a fourth embodiment thereof, the other views being comparable to the views of FIGS. 9-13. 

The ornamental design for a writing instrument, as shown and described. 